Logic is often perceived as having little to do with the rest of philosophy & even less to do with real life In this lively & accessible introduction Graham Priest shows how wrong this conception is He explores the philosophical roots of the subject explaining how modern formal logic deals with issues ranging from the existence of God & the reality of time to paradoxes of probability & decision theory Along the way the basics of formal logic are explained in simple non-technical terms showing that logic is a powerful & exciting part of modern philosophy In this new edition Graham Priest expands his discussion to cover the subjects of algorithms & axioms & proofs in mathematics ABOUT THE SERIES The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area These pocket-sized books are the perfect way to get ahead in a new subject quickly Our expert authors combine facts analysis perspective new ideas & enthusiasm to make interesting & challenging topics highly readable